1. a small, hard, round candy made of gum or rubber-like material, typically brightly colored and sold in vending machines
Usage: common in children's contexts; often used in plural form

Examples

• She dropped a quarter into the gumball machine and got a red one.
• The kids were excited to buy gumballs from the dispenser at the store.
• He chewed his gumball until it lost its flavor.
• The gumball machine was filled with colorful candies.
• My little brother loves collecting different colored gumballs.